Flat squeegee



FIG. 1 is an end perspective view of an embodiment of my design for a flat squeegee;

FIG. 2 is a plan view of the flat squeegee of FIG. 1, the reverse being a mirror image thereof;

FIG. 3 is an end view of the flat squeegee of FIG. 1, the reverse being a mirror image thereof; and,

FIG. 4 is a side view of the flat squeegee is FIG. 1, the reverse being a mirror image thereof. 

The ornamental design for a flat squeegee, as shown and described. 